1998 Buick Century Loud Bubbling Noise

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Noises problem
1998 Buick Century 6 cyl Front Wheel Drive Automatic 100000 miles

Tonight when I got home from work - I pulled into the garage and turned off the car. Before I got out of the car I could hear a loud noise - it reminded me of a pan of water boiling on the stove - loud bubbling= banging noise. I lifted the hood but could not see anything. After it cooled down I checked the coolant which was at the normal level, oil normal level. I did not notice it overheating when I was driving but checked it when I moved it out to the driveway, it was only one mark past the middle mark. My a/c is out and of course we are having hot weather. Could it be air trapped in the core?
I was filling my coolant resovoir all the way, but I ran out of coolant, and haven't bought more yet. Could over filling the resovoir cause a problem? Do you have an idea of what I should do or take it to someone?Thank you for your help. Deb

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have the same problem?
Friday, September 10th, 2010 AT 10:27 PM

1 Reply

  • 962 POSTS

Most likely the noise you heard was the coolant in the expansion tank. You most likely have a 3.6 or 3.8 engine, and they are known to blow intake manifold gaskets. Such as the 3.1, and 3.4. However if you have a 3.1 or a 3.4 in this car, I strongly recommend head gaskets also, as there is a bulletin on those.

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Friday, September 10th, 2010 AT 10:36 PM

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